/Engine/Source/Runtime/MovieScene/Public/Evaluation/MovieSceneEvaluationTemplate.h
Lookup a track identifier by its originating signature
[FMovieSceneTrackIdentifier](API\Runtime\MovieScene\Evaluation\FMovieSceneTrackIdentifier) FindTrackIdentifier ( const [FGuid](API\Runtime\Core\Misc\FGuid) & InSignature ) const